US2659239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Independent synchronization
Assignee: JARVIS C MARBLE
•
Filing: 1950-09-27
•
Granted: 1953-11-17
•
Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Nilsson Hans Robert
- 👤 Trulsson Sven Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:02
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/008; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2444773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |